Cretaceous extinction happened ______?

کریٹاسیئس کتنا معدومیت ہوا؟

70 million years from now

30 million years from now

50 million years from now

None of these

The Cretaceous extinction, about 70 million years ago, marked the end of the Mesozoic Era.

This event led to the extinction of dinosaurs and paved the way for the rise of mammals in the Cenozoic Era.